Discuss which of the following fall into the categories of consumption, investment, government expenditure and net exports from the Y = C + I + G + NX (X – M) identity, and whether the impact is to...

Discuss which of the following fall into the categories of consumption, investment, government expenditure and net exports from the Y = C + I + G + NX (X – M) identity, and whether the impact is to increase or decrease GDP.

Charles buys a second-hand textbook from Tim.